supertux/data/images/particles/air_bubble.sprite

(supertux-sprite
 (action
  (name "normal")
  (fps 15)
  (loops 1)
  (images "air_bubble-0.png"
		  "air_bubble-1.png"
		  "air_bubble-2.png"
		  "air_bubble-3.png"
		  "air_bubble-4.png"
  )
 )
 (action
  (name "small")
  (fps 15)
  (loops 1)
  (images "air_bubble-0.png"
		  "air_bubble-1.png"
		  "air_bubble-2.png"
		  "air_bubble-3.png"
  )
 )
)